Non-Combustible Sealant Material - Quadra-Fire PIONEER-III-ABK Installation Manual

• Raised Hearth Extension Framing
The hearth framing must be constructed of non-
combustible materials (such as metal framing or
equivalent material) and topped with one HX4, or
equivalent material (Table 7.2).
When creating the platform, allow for the thickness of
the non-combustible finishing materials (Figure 7.8).
Fascia
Outer Can
Minimum 20 in. (508 mm) in front and
Flange
8 in. (203 mm) on sides to fuel opening
Non-combustible sealant or grout
Non-combustible
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
material supplied
with unit
Protective metal
hearth strip
Minimum 2 in. (51 mm) Cement Board or
equivalent, (or one piece HX4)
Figure 7.8 Raised Hearth Extension to Bottom of Fascia
WARNING! Risk of Fire!
Hearth extensions are to be installed only as illustrated to
prevent high temperatures from occurring on concealed
combustible materials.
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Quadra-Fire • PIONEER - III • 4182-901 Installation Manual • Rev C • 07/19
Tile,marble or
other
non-combustible
finish material
Non-combustible
framing materials
Combustible Floor
E. Non-Combustible Sealant Material
• After completing the installation of non-combustible
facing board in the required non-combustible zone and
the non-combustible finishing material over that, remove
the template.
• A bead of non-combustible sealant must be used to close
off any gaps at the top and sides between the fireplace
and non-combustible facing (Figure 7.9) to prevent cold
air leaks and the risk of fire. Large gaps can be bridged
with fiberglass rope gasket.
• When installation of the decorative material is complete,
replace/install the fascia and fireplace doors.
NON-COMBUSTIBLE ZONE
54 in.
(1372 mm)
65 in.
)
(1651 mm
Figure 7.9
WARNING! Risk of Fire!
• Maintain clearances.
• Use only non-combustible material below standoffs,
material such as cement board is acceptable.
• Framing or finishing material used on the front of the
fireplace closer than the minimums listed, must be
constructed entirely of non-combustible materials
(i.e., steel studs, concrete board, etc.).
WARNING! Risk of Fire!
Hearth & Home Technologies is not responsible for
discoloration, cracking or other material failures of
finishing materials due to heat exposure or smoke.
• Choose finishing materials carefully.
WARNING! Risk of Fire!
Seal around finishing material to fireplace.
Seal inside perimeter of
fireplace finished opening
with non-combustible
grout to prevent risk of fire
and cold air infiltration.